About us

SUPERLIT, the first company of KARAMANCI HOLDING that has a prominent role in the Turkish industrial sector, was established in 1961.

SUPERLIT, which manufactures and sells pressure and non-pressure GRP (Glassfiber Reinforced Polyester) pipes in compliance with international standards, has become a favored brand on 5 continents worldwide, thanks to a wide range of products, its reliable quality and before-sales and after-sales technical / consultancy services it renders. With regards to installed capacity, SUPERLIT is one of the leading establishments in the GRP pipe sector worldwide.

The pipes, manufactured in factories located in Düzce and Malatya in Turkey and Buzau in Romania, in compliance with local and international standards such as EN, ISO, ASTM and AWWA, with a diameter range of DN300 mm to DN4000 mm, with a stiffness of 2500 – 5000 – 10000 (and over by special design), and a pressure resistance between 1 – 32 bars (up to 40 bars by special design), are used in the following applications:

Clean water and potable water

Irrigation

Hydroelectric power plants

Sewer system

Stormwater

Water treatment

Seawater intake and discharge

Water storage systems

Trenchless technologies

SUPERLIT is the sole pipe manufacturer in Turkey that can produce Glassfiber Reinforced Polyester (GRP) pipes by means of “Continuous Filament Winding” technology as well as “Centrifugal Casting” technology.

Being one of the world’s leading manufacturers in the pipe industry with an experience of more than half a century, SUPERLIT supplies pipes for projects in many regions of the world from Europe to Africa and from America to Asia and Australia.